Web change device



Feb. 2, 1932. H. A. w. wooD WEB CHANGE DEVICE Original Filed July 14. 1925 5 Sheets-Sheet Feb. 2, 1932. w. w'oo 1,843,470

WEB CHANGE DEVICE Original Filed July 14. 1925 5 Sheets-Sheet 2 Feb. 2, 1932. w WOOD 1,843,470

WEB CHANGE DEVICE O riginal Filed July 14, 1925 5 Sheets-Sheet 3 ?fall l lrpodc'h'om 7 LMEM Feb. 2, 1932. H. A. w. WOOD WEB CHANGE DEVICE Original Filed July 14. 1925 5 Sheets-Sheet 4 f w f a Y :1 2 m a Mi awra a Z 7a i 0 M O m www 5 a? 4 a M; 1 w 2% a? W/ 4: a? Z 5 y 0 um va w, M fiy w/ g m x m ,wwn\ a a 3 9 Z Z Q 2 Q 2 M Feb. 2, 1932. H, A, w WOOD 1,843,470

WEB CHANGE DEVI CE Original Filed July 14. 1925 5 Sheets-Sheet 5 Fall Cami; 2 zmfo padaifzjov fan zc in ip f 2%.24

Patented Feb. 2, 1932 UNITED vs'ra'rizs PATENT OFFICE HENRY A. WISE WOOD, OF NEW YORK, N. Y., ASSIGNOR TO WOOD NEWSPAPER MA- CHINERY CORPORATION, OF NEW YORK, N. Y., A CORPORATION OF VIRGINIA.

WEB cnanen nnvrcn Application filed July 14, 1925, Serial No. 48,549. Renewed September 18, 1931.

two rolls at a time upon it; to provide a con-' struction therefor in which change of position of the roll supporting means itself will provide for the continuance of the delivery of the web from the running roll to the press on a'path which, although it changes somewhat, is for all practical purposes the same all the way through the process until-the moment of splicing; to. provide means for then diverting the web from its 'path into a position to engage the surface of the new web roll and press the web with some fi-rmness against that surface; to provide 'a con-' struction in which, as soon as the splicing operation is performed, the web will be cut from the old stub in a very simple manner and the new roll will return with the oscillator support to its original position; to provide all this mechanism in duplicate to operate first by oscillating in one direction and then in the other to bring the new rolls alternately into pasting position; to provide this double arrangement in such form that the operations taking place with respect to the web rolls on the oppositesidesof the support will be exactly alike and that only one severing device will be needed to sever the webs alternately from the expired rolls in opposite positions on the roll support; and to provide a simple form of braking device for the web rolls to prevent their over-speeding.

The invention also involves improvements in the combinations of parts and details of mechanism, as will appear.

Reference is to be had to the accompanying drawings, in which Fig. 1 is a plan of a preferred embodiment of this invention; p

2 is an end view of the same showing the parts in the position in which the running roll has reached its position for running and the new roll has been loaded, that is, in normal running position;

Fig. 2 is a side view showing a modification of the means for applying the running web to the surface of the new roll;

The rest of the figures are all diagrammatic.

Fig. 3 shows the same position as that shown in Fig. 2 with the web roll in-running position and the new roll just loaded;

In Fig. 4 the roll support has rotated on its own. axis to bring the new roll up toward the position for splicin and carrying the old roll downtoward the ttom;

In' Fig. 5 this motion has been carried on a step further;

In Fig. 6 the new roll has just reached the position for splicing and has started to 1'0- tate on its own axis;

In Fig. 7 the splice is being made and the web is being severed from the old stub, the roll supportbeing stationary at'this'time;

In Fig. 8 the roll support is starting to rotate back to its original position with what was the fresh roll supplying its web to the press and now constituting the running roll and the expired stub ready to be removed;

In Fig. 9 the parts are moved a little farther in this direction and the new roll has been'applied in the position of the expired one on the rig In Fig. 10 the roll support has moved bring what is now the new roll up toward splicing position. This figure is the same as Fig. 4,'except that it is directly opposite;

In Fig. 11 the new roll has got up nearly into splicing position; and in Fig. 12 it is in that position;

' In Fig. 13 this new roll has been spliced to the web and the old web has been severed the same as in Fig. 7 and In Fig. 14 the roll support is starting to rotate back to the normal running position shown in Fig. 2.

The description of these diagrammatic figures in itself is enough to show the operation of this machine. Considering first the situation with reference to Figs. 1 to 8 inclusive,

I have called the running roll A and the fresh web roll B. This running roll A, as explained, is removed in the positions shown in Figs. 8 and 9 and a new roll C is there loaded on so that thereafter, until the next pasting operation, the two rolls on the roll support are B and C, the former being now the running roll and the roll C the fresh roll.

This machine is shown as mounted on a frame 10 having a shaft 11 supported across it. On this shaft there is a worm wheel 12 operated by a worm 13 on a shaft 14 which is to be operated by a motor or any other device,

' as may be desired, for the purpose of turning the shaft 11. This shaft is provided with a pair of frames 15 fixed to its opposite ends and each having a pair of arms 16 extendmg from it on one'side anddiverging widely from each other and two other pairs of arms 17 on opposite sides. These arms 16 carry the centers of spindles 18 on which the rolls A and B are centered so that the rotation of this frame 15 with its shaft 11 as described Will move the rolls about'the center of the shaft. I call the whole structure comprising the arms 16 and 17 the roll support as it may all be one structure.

The web W running from the roll A to the press passes under a guide roller 20 on one of the pair of arms 17. .It will be noted, however, that there are two of these rollers on these arms and it will hardly be necessary to explain how they act in view of the diagrammatic views above described. In the position shown in Fig. 2, one of these rollers serves to guide the web to an idle guide roll 21 above and later the other guide roll also engages the web. Together they are always in such position that they keep the web out of contact in its normal running path, with the opposite web roll.

On brackets 22 on the press frame 10 is pivoted a pair of arms 23 which carry the web guide roll 24 between them. These arms are provided with a link 25 operated in any desired way to raise and lower the guide roll 24. In the normal running position this guide roll is kept up as shown in Figs. 2 to 6 inclusive, but when the splice is made it moves down to divert the web from its normal path into contact with the fresh web roll. The mechanism for operating this roll is not a part of this invention as very simple mechanism can be employed for that purpose. Therefore it is not shown. It can act on the web by gravity if desired. These parts, of course, are duplicated on the other side as this is a duplicate machine in which the web roll support oscillates but does not rotate around a complete circle. First the roll on one side of the support and then the one on the other comes into action.

Also pivoted freely on a shaft or stud 26 on the brackets 22 are arms 27 which are dupof the fresh web roll when it comes up to the position shown in Fig. 6 and rotating it on its own axis. The arms 27 are limited in their motions by a slotted link 31. These parts of course are duplicated also at the other end of the machine for the reason just explained in connection with the rolls 24.

Extending across the roll support there is a severing blade 32. This is held in a block 33 mounted in a slot or guide 34 on the roll support and at the proper time it is projected by suitable mechanism (not shown) to come into engagement with and severing the web running from the exhaust web roll stub. At this time the web is stretched between the two rolls 20. This is arranged to occur at the time of splicing or shortly after just as is the case with all machines for this purpose.

'I have also shown a pair of blankets 35 or other flexible devices attached to rods 36 extending across the roll support and provided with weights 37 to engage the surfaces of the rod 39 mounted on an arm 40 on the roll support which receives these blankets alternately as the roll support oscillates and guides them out under the respective web rolls so as to keep them in contact with a comparatively large surface thereof and out of contact with the wrong roll.

The operation will be obvious from what has been stated. However, the running position is shown in Fig. 3-in which the two web rolls are at the same elevation or substantially so. The parts may remain in this position until the running roll A has gotten quite small-that is, it is becoming exhausted. Then the shaft 14 is started to rotate the web roll support in the direction indicated by Figs. 3 to 7. This gradually brings'thenew piring web roll A, which is decreasing-in. size time of the limitof the oscillating motion of the roll support the web will never come into contact with the fresh web roll B. Fig. 6 shows this position of the roll and so does Fig. 7.

While the roll B is moving up to the splicing position it is pasted as usual and the propeller 30 on the left side of the machine, asshown in these figures, is started into rotation by a clutch or any other desired device. It will be noted that on accountof the link 31 this roll normally hangs down in its lowermost position where'it is in the path of the a fresh web roll coming up to its stationary uppermost position. In Fig. 5 the web roll has almost engaged it and in Fig. 6 it has engaged 5 it and pushed it upwardly, which the slotted link allows. Now the new web roll B is rotated on its own axis.

At this time the roll support reaches the end of its oscillation and will not move any further. It is stopped here either mechanically, automatically or by hand but it does not move far enough to engage the web while in its normal path. In order for the web to come into contact with the roll B the roll 24 has to operate to deflect it and this roll moves far enough to bring it into positive contact, as shown in Fig. 7.

Although I have shown no automatic means arranged with relation to the pasting spots on the roll, it is to be understood that this invention can be combined with those previously or hereafter made which actuate the other parts in accordance with the position of the paste spots and the position of the '35 new roll.

It will be noted by reference to Fig. 7 that at the time of splicing the web isstretched evenly between the two rolls 20, as shown in Figs. 6 and 7 and it is at this time that the knife blade 32 is operated in a radial direction to sever the web from the exhausted roll A. Thereafter the web runs from-the new roll B. It will be obvious from reference to Fig. 8 that the great weight of the new web roll will assist in rotating the web roll support and practically no power Will be required in lowering the support back to the position shown in Fig. 9 and, in fact, to the position shown in Fig. 3, the worm and worm wheel acting at this time only to limit the speed of this motion.

Now it will be seen that after the parts reach the position shown in Fig: 9 and then move further, they will be practically in the same position as shown in Fig. 3. But a new web roll C will have replaced the exhausted web roll A, shown in Fig. 3, and the roll B is now delivering the web to the press over the same rolls 20 previously described and the opposite roll 24 previously referred to in detail. The parts are left in a position in which thea'olls B and C are practicallyat the same level until it is time to start the parts into action for the next splicing operation 85 and then the shaft 14 continues to rotate in the same direction in which it has been rotatmg while the roll B has been lowered. Now this 'carries the rolls around in the direction indicated in Figs. 9 to 12 inclusive and the operation above described is repeated on the other side of the machine. goes through the operations which the roll B previously went through and the roll B those which the roll A did previously. The web is brought into contact with the roll C 1n the same way by the roll 24 on the left hand side and the new roll G is rotated by the propelling roll 30 on the right hand side.

The operation of these parts as described takes place in conjunction with the operation of the brake blankets 35, as indicated in the several figures. It will be seen that they always bear against the surfaces of their respective rolls and apply a braking. action to them, no matter what the position of the roll support.

This constitutes a quick acting mechanism that is capable of taking care of the supply Here the roll C v for a printing press running at the fastest speed now known with only two rolls on the support. This reduces the necessary amount of metal in the supports which heretofore have been supplied with three or four rolls at a time. It also simplifies the mechanism. Another way of applying the web to the surface of the new roll first on one side and then on the other is indicated in Fig. 2. Here a pair of rolls 2e are mounted on an arm .23 on a shaft 26 and operated by a link 25 to swing first one way and then the other to bring the web into contact with a fresh web roll first on one side and then the other.

Although I have illustrated and described only two forms of the invention, 1 am aware of the fact that modifications can be made therein by any person skilled in the art without departing from the scopeof the invention as expressed in the claims. Therefore I do not wish to be limited to either form of construction herein shown and described but what I do claim is 1. In a web roll splicing machine, the combination with means for supporting the runningweb roll and a fresh roll, of means for gradually moving the running roll back out of the way, means movable with said support for guiding the web at all times and in all positions of the running rollalong a normal path out of contact with the freshroll, and 'means for deflecting the web from said normal path against the surface of the fresh roll at the time of splicing.

2. In a web change device, the combination of a support fora running roll and a fresh roll, a guide roll for receiving the web, means for swinging the support on an axis to move the running roll back in the direction oppot site to the direction of travel of the web until said axis is between the running roll and the guide roll, means on the support for guiding the web from the running roll out of contact with the fresh roll,'and means for suddenly deflectin the web out of its normal path against the surface of the fresh web roll.

3. In a web change device, the combination with a support for a running roll and a fresh roll, and means for swinging the support on an axis to move the running roll back until the web from the running roll passes around the surface of the fresh roll, means for guiding said web out of contact with the fresh roll, and means for deflecting the web out of its normal path against the surface of the fresh web roll.

4. In a web change machine, the combination with means for supporting the web roll and a fresh roll, of means for turning said supporting means to swing the running roll along an are back out of the way, means for guiding the web along a normal path around the fresh roll but out of contact therewith,

and means for deflecting the web from said.

normal path against the surface of the fresh roll at the time of splicing.

5. In a web change device, the combination of a support for a running roll and a fresh roll, a web guide roll, means for ,swing-" ing the support on an aXis to move the running roll back away from the guide rolluntil said axis is between the running roll and the guide roll, means for guiding the web from the running roll out of contact with the fresh roll, and means for deflecting the web out of its normal path against the surface of the fresh web roll. a

6. In a web roll splicing machine, the combination with means for supporting the web roll and a fresh roll, of means for moving the running web roll back out of the way, means on the supporting means for guiding the Web in all positions of the running rol-l along a normal path out of contact with the fresh roll, means on one side of the web for deflect ing the web from said normal path against the surface of the fresh roll at the time of splicing and means on the other side of the web for propelling the fresh web roll on its axls.

7. In a Web change device, the combination of a support for a running roll and a fresh roll, means for swinging the support on an axis back and forth to move a roll on either side up to splicing position alternately, means for guiding the web from the running roll out of contact with the fresh roll, and

two means on opposite sides of the web for deflecting the websout of their normal paths against the surface of the fresh web roll.

8. In a web splicing device, the combination of a pivoted support for a fresh web roll and a running Web roll, means for moving said support to swing the running roll in a direction directly opposite the direction of travelof the web, a plurality of guide rolls mounted on said support forguiding the web from the running roll, said guide rolls being located in position to engage the web, hold it taut and feed it to the press in a normal path out of contact with the fresh web roll, means for forwarding the Web constantly at full speed, and means for splicing the web to the fresh web roll while the web is running at full speed. p v

9. In a web splicing device, the combination of a movable support for a fresh web roll and a running web roll, means for moving said support to swing the running roll in the direction opposite to thedirection of travel of the web, a plurality of web guide rolls mounted on said support for gulding the web from the running roll, and a web cutting blade on the support between the guide rolls movable into position to cut the web stretched between said guide rolls.

10. In a web change device, the'combination of a support for two web rolls, a guide roll to which the web can be guided from a running roll on either side of the support,

. means on said support for guiding the web from either side of the support to said guide roll in a normal path, and means carried independently of said support on opposite sides of said paths, and independent of the first named means, for deflecting the web from either roll against the other roll.

11. In a web change device, the combination of a pivoted support for carrying two webxrolls, a guide roll located in position to receive the web from either of'saidrolls,

means on said support for guiding the web from either web roll to said guide roll, a pair of propellers located on opposite sides of the center of said support, and means whereby the propeller on the opposite side of the support to that on which the running roll is located can be brought down into contact with the surface of the fresh web roll.

12. In a web change device, the combination of a pivoted support for carrying two web rolls. a guide roll located in position to receive the web from eitherof said rolls, means on said support for guiding the web from either web to said guide roll. a pair of propellers and a pair of web deflectors located on opposite sides of the center of said support, and means whereby the propeller on one side and the deflector on the opposite side of the web can be brought into action.

13. In a web change device, the combination of a support for two web rolls. a pair of guide rolls on the'support, means for swinging said support-in such a Wa-v as to cause the web from either roll to be guided over the same pair of guide rolls to a printing press. and a cutting knife located on the support between the two guide rolls movable to cut the web when it is stretched between the two guide rolls from either side of the support.

14. In a web change device. the combination of a support for two web rolls, a pair of guides on the support, means for oscillating said support to cause the web from first one web roll and then from the other to be guided over the pair, of guide rolls to a printing press, and a cutting knife located on the "support between the two guide rolls movable to out either web between the two web rolls, first the web from one web roll and then the web from the other.

15. In a web change device, the combination with a pivoted support for a pair of web rolls, said support having a pair of diverging arms having means for supporting the ends of a running roll and a fresh roll on opposite sides of the center of said support when in normal running position, means for turning said support about its axis to bring the fresh roll into a position in which it is adjacent to the web being delivered by the running roll, said position being the limiting position of the support, said support being movable backwardly after the splice is made to bring the fresh roll back to its original position and permit of.the application of a new fresh roll, and being movable around in the same direction to bring the latter fresh roll up adjacent to the web from the new running roll, and means for rotating the fresh roll on either side of the support on its own axis.

16. In a web change device, the combination with a support for a pair of web rolls, a running roll and afresh roll, said support having arms divergin therefrom for sup- 35 porting the spindles 0 said rolls and being mounted to oscillateon an axis between them, of means for swinging the roll support from a position in which one roll is located substantially between the shaft on which the roll support oscillates and the point at which the web is guided to the press so as to come into a position to be contacted by said web and for then moving it until the roll supported on the other side of the roll support moves into position'to be engaged by the web and then in the other to bring whichever one of the rolls thereon is the fresh roll into a position over the shaft and adjacent to the path of the-web to said guide rolls, a knife on the support located between the second pair of arms for cutting the web when stretched between the rolls thereon, a pair of rods extending across between the last named arms, a pair of flexible blankets connected with said rods and having weights at the bottom for holding them down against the web rolls, and a rod on two fifth arms ning roll along a normal path out of contact with the fresh roll, and means for defleeting the web from said normal path against the surface of the fresh roll at the .time of splicing.

19. In a web change device, the combination of a support for a running roll and a fresh roll, a guide roll for receiving the web, means for swinging the support on an axis to move the running roll back in the direction opposite to the direction of travel of the web until said axis is between the running roll and the guide roll, means for guiding the web from the running roll out of contact with the fresh roll, and means for deflecting the web out of its normal path against the surface of the fresh web roll.

In testimony whereof I have hereunto affixed mysignature.

. HENRY A. WISE WOOD.

running from the other roll, a guide roll for receiving either of the webs on the roll support in either of the positions thereof, and a pair of rolls located on opposite sides of the path of the web, each of them bein movable to, a position, to move the we against a fresh web roll on the support when in proper position.

17. In a web change device, the combina 5 tion of the standard, a. horizontal shaft thereon, a roll support mounted on said shaft and having two main arms at each end diverging therefrom in opposite directions,.

two additional arms diverging therefrom in other directions, anda central arm between them on each end, studsgifgi lrthe first named arms for supporting a 'pair of web rolls, guides on the second arms for guiding the web from either web roll, means for turning the roll support first in one direction 

